What does wattage of amplifier corresponds to? Does more wattage means more volume or high gain?

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    There are two unrelated questions, please ask one question at a time :) – Kyle Feb 1 '17 at 11:21
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    Possible duplicate of How to predict the loudness of an amp based on description – teodozjan Feb 1 '17 at 11:30
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    It would be better if you asked 3 separate questions: 1) What does the wattage of an amplifier mean; 2) How does the sound of a neck pickup differ from a bridge pickup; 3) What sort of amplifiers suit blues rock and heavy metal genres. Then you can get a specific answer for each question. – Matt Jones Feb 1 '17 at 17:19
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    @ToddWilcox I had an amp once that couldn't be used for any genre... – topo Reinstate Monica Feb 1 '17 at 20:00
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    I've edited out the other two questions. Please ask them separately. – Dom Feb 1 '17 at 20:37

The rated output power of a guitar amp doesn't really tell you much. It has nothing to do with how much distortion you can get from an amp. It is only slightly related to how loud an amp is. Some amps with a lower output power can get louder than other amps with higher output power.

The only thing the output power really tells you is how far you can make what size speakers move. So an amp with more power can power more speakers and make them move farther. That seems like it's the same as being louder, but loudness is actually pretty complicated and is not just about moving a lot of air.

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  • -assuming the speakers are identical, with the same efficiency, in the same enclosurers. Also bear in mind that a 100 watt amp is theoretically only half as loud again as a 50 watt, everything else being equal... – Tim Feb 2 '17 at 10:12

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